Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
-тан
←
Buryat
-тан
(cognate)
←
Classical Mongolian
᠊ᠲᠠᠨ
(inherited)
←
Mongolian
-т
(mention)
←
Mongolian
-тай
(mention)
←
Kalmyk
-тн
(cognate)